#2b00a9

Color #2b00a9

A vivid, highly saturated dark blue.

Closest named color Dark Blue #00008b · ΔE 13 Nearest Tailwind class violet-900 #4d179a · ΔE 5.1

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#2b00a9

RGB

rgb(43, 0, 169)

HSL

hsl(255.3, 100%, 33.1%)

HSV / HSB

hsv(255.3, 100%, 66.3%)

CMYK

cmyk(74.6%, 100%, 0%, 33.7%)

LAB

lab(21.5, 58.91, -75.85)

LCH

lch(21.5, 96.04, 307.84)

OKLCH

oklch(35.1%, 0.2198, 275.43)

HWB

hwb(255.3, 0%, 33.7%)

Harmony colors

Complementary

#7ea900

Analogous

#0029a9

#2b00a9

#7f00a9

Triadic

#2b00a9

#a92b00

#00a92b

Split-complementary

#2b00a9

#a97f00

#29a900

Tetradic

#2b00a9

#a9007e

#7ea900

#00a92b

Square

#2b00a9

#a90029

#7ea900

#00a97f

Shades

Color #2b00a9 mixed toward black.

#24008d

#1d0071

#160054

#0e0038

#07001c

Tints

Color #2b00a9 mixed toward white.

#3a00e2

#561cff

#8054ff

#aa8dff

#d5c6ff

Tones

Color #2b00a9 mixed toward gray.

#320e9b

#391c8d

#402a7f

#473871

#4e4662

Accessibility

Aa White text on this color

12.53:1

Aa Black text on this color

1.68:1

White text reads better on this background (12.53:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1f1f95 · ΔE 5

Deuteranopia

#212390 · ΔE 6.2

Tritanopia

#2a827e · ΔE 42.6

Achromatopsia

#343434 · ΔE 30.4

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #2b00a9;

Tailwind (arbitrary value)

bg-[#2b00a9]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Navy #000080

Frequently asked questions

#2b00a9 (#2b00a9) is rgb(43, 0, 169) in RGB.

No, #2b00a9 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #2b00a9, or check how it holds up for accessibility.

Generate a palette → Check contrast